add prototype for FMI-3.0 ModelExchange (#1523)

* fix FMI-3.0 ME call sequence
* add new SystemSC3 for FMI-3.0 Model exchange
* check eventindicator after initialization for fmi3-me
* use component base class for SC systems
* integrate fmi2 and fmi3 with single SC-system

Author: arun3688

include/OMSimulator/Types.h

@@ -94,13 +94,14 @@ typedef enum {
 typedef enum {
   oms_system_none,
   oms_system_wc,       ///< Weakly Coupled System
-  oms_system_sc        ///< Strongly Coupled System
+  oms_system_sc,       ///< Strongly Coupled System for FMU2 and FMU3
+  oms_system_sc3       ///< Strongly Coupled System for only FMU3
 } oms_system_enu_t;
 
 typedef enum {
   oms_component_none,
   oms_component_fmu,      ///< FMU
-  oms_component_fmu3,      ///< FMU3
+  oms_component_fmu3,     ///< FMU3
   oms_component_table,    ///< lookup table
   oms_component_external  ///< external model
 } oms_component_enu_t;

src/OMSimulatorLib/CMakeLists.txt

@@ -27,6 +27,7 @@ set(OMSIMULATORLIB_SOURCES
       Component.cpp
       ComponentFMU3CS.cpp
       ComponentFMUCS.cpp
+      ComponentFMU3ME.cpp
       ComponentFMUME.cpp
       ComponentTable.cpp
       ComRef.cpp
@@ -58,6 +59,7 @@ set(OMSIMULATORLIB_SOURCES
       ssd/Tags.cpp
       System.cpp
       SystemSC.cpp
+      SystemSC3.cpp
       SystemWC.cpp
       Values.cpp
       Variable.cpp)

src/OMSimulatorLib/Component.h

@@ -107,6 +107,29 @@ namespace oms
     virtual oms_status_enu_t addResources(std::string& filename) { return logError_NotImplemented; }
     virtual oms_status_enu_t deleteReferencesInSSD(const std::string& filename) {return logError_NotImplemented;}
     virtual oms_status_enu_t deleteResourcesInSSP(const std::string& filename) {return logError_NotImplemented;}
+    // common virtual functions for ME for fmi2 and fmi3
+    virtual size_t getNumberOfContinuousStates() const {return logError_NotImplemented;}
+    virtual size_t getNumberOfEventIndicators() const {return logError_NotImplemented;}
+    virtual oms_status_enu_t getContinuousStates(double* states)  {return logError_NotImplemented;}
+    virtual oms_status_enu_t setContinuousStates(double* states)  {return logError_NotImplemented;}
+    virtual oms_status_enu_t getDerivatives(double* derivatives)  {return logError_NotImplemented;}
+    virtual oms_status_enu_t getNominalsOfContinuousStates(double* nominals)  {return logError_NotImplemented;}
+    virtual oms_status_enu_t getEventindicators(double* eventindicators) {return logError_NotImplemented;}
+    virtual oms_status_enu_t getEventindicators(double* eventindicators, size_t size) {return logError_NotImplemented;}
+
+    virtual fmiHandle* getFMU() {return nullptr;  }
+    virtual fmi2EventInfo* getEventInfo() {return nullptr;}
+    virtual oms_status_enu_t doEventIteration() {return logError_NotImplemented;}
+    virtual oms_status_enu_t completedIntegratorStep(bool noSetFMUStatePriorToCurrentPoint, bool& enterEventMode, bool& terminateSimulation) {return logError_NotImplemented;}
+    virtual oms_status_enu_t enterEventMode() {return logError_NotImplemented;}
+    virtual oms_status_enu_t enterContinuousTimeMode() {return logError_NotImplemented;}
+
+    virtual bool getNewDiscreteStatesNeeded() {return logError_NotImplemented; }
+    virtual bool getTerminateSimulation() {return logError_NotImplemented; }
+    virtual bool getNominalsOfContinuousStatesChanged() {return logError_NotImplemented; }
+    virtual bool getValuesOfContinuousStatesChanged() {return logError_NotImplemented; }
+    virtual bool getNextEventTimeDefined() {return logError_NotImplemented; }
+    virtual double getNextEventTime() { return logError_NotImplemented; }
 
     const ComRef& getCref() const { return cref; }
     ComRef getFullCref() const;